Virgin Galactic is seeing strong demand for tourist flights to space, will re-open ticket salesCNBC • 01/09/20
WOW! Virgin Galactic’s next SpaceShipTwo rocket plane reaches ‘Weight on Wheels’ milestoneGeekWire • 01/08/20
Virgin Galactic’s second commercial tourism spaceship hits key construction milestoneTechCrunch • 01/08/20
Virgin Galactic's Endgame: Air Travel 50% Faster Than Concorde -- and Profitable?The Motley Fool • 12/16/19